Home / 980,555.40-1,470,917.88-270,583.47

Finding the Fourth Proportional to 980,555.40, 1,470,917.88 and 270,583.47

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Solution

The fourth proportional to 980,555.40, 1,470,917.88 and 270,583.47 is: 405,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,555.40 : 1,470,917.88 = 270,583.47 : x
  2. Step 2: Convert to fraction form
    980,555.40/1,470,917.88 = 270,583.47/x
  3. Step 3: Cross multiply
    980,555.40x = 1,470,917.88 × 270,583.47
  4. Step 4: Simplify right side
    980,555.40x = 398,006,064,055.44
  5. Step 5: Solve for x
    x = 398,006,064,055.44/980,555.40
  6. Step 6: Final answer
    x = 405,898.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.